In this article we will discuss about the rolling cycle method of DNA replication in φ X 174. All circular genomes do not follow the same pattern of replication described in E. coli. In some bacteriophages (phi, lambda and phi X 174), in mitochondrial chromosomes and during bacterial mating an alternative method known as the […]
Rolling Circle Method of DNA Replication | Genetics
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Genes of Some Viruses are Made of RNA | Genetics
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Some investigators of 1950s focused their attention on viruses containing protein and RNA, but no DNA. The poliomyelitis virus, influenza virus and the virus that causes mosaic disease in tobacco plants (TMV) were thus shown to have genes made of RNA. Earlier in 1935 W. M. Stanley had reported the isolation of a crystalline protein […]
What is a Transformation | Genetics
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In this article we will discuss about the meaning of transformation. Transformation is the process of adding a foreign DNA fragment from a donor genome into genome of a recipient cell. The donor fragment passes through the cell membrane of the recipient cell (which may or may not belong to the same species) and becomes […]
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